Public water system · MO2024377
ActiveMarion County Pwsd 1
At a glance
Marion County Pwsd 1 (PWSID MO2024377) is an active community water system in Marion County, Missouri. It reports serving 4,900 people through 2,149 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in August 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,900
Service connections
2,149
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Marion County Pwsd 1 compare with other water systems in Marion County?
By EPA's size categories, Marion County Pwsd 1 is a medium system (3,301 to 10,000 people). Marion County has 4 active public water systems, and Marion County Pwsd 1 is the 2nd-largest of them by population served. Its population served is about 24% below the county average of 6,414 people per system, and accounts for 19% of the 25,655 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active community water system reports serving 6,703 people, so Marion County Pwsd 1 is about 27% below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Missouri has 1,612 active community water systems, 55% of the state's 2,943 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 179 Missouri systems (6.1%) list purchased surface water as their primary source.
Who owns and regulates Marion County Pwsd 1?
EPA lists Marion County Pwsd 1 as owned by a local government. The MO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 4 active systems in Marion County (75%) are also owned by a local government.
Does Marion County Pwsd 1 have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in August 2024. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
The one violation in EPA's records.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Marion County Pwsd 1: frequently asked questions
Who runs Marion County Pwsd 1?
Marion County Pwsd 1 (PWSID MO2024377) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Marion County Pwsd 1 serve?
Marion County Pwsd 1 reports serving 4,900 people through 2,149 service connections in Marion County, Missouri.
Where does Marion County Pwsd 1 get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Marion County Pwsd 1 have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in August 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Marion County Pwsd 1's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list one violation for this system; it is not health-based, and the most recent began in August 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Marion County Pwsd 1's water quality report?
As a community water system, Marion County Pwsd 1 must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Marion County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hannibal Pws | Marion | 17,108 | Community | Surface water |
| Palmyra Pws | Marion | 3,595 | Community | Groundwater |
| Blue Water S Resort, LLC | Marion | 52 | Transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Marion County Pwsd 1, PWSID MO2024377, Missouri”, https://aquacensus.com/water-systems/missouri/marion-county-pwsd-1-mo2024377 (data as of October 1, 2026).